[ietf-dkim] Fwd: SendGrid, GetResponse and Hubspot being used over DKIM

I thought this might be of interest to DKIM implementers.

> Begin forwarded message:
>
> From: Laura Atkins <laura(_at_)wordtothewise(_dot_)com>
>
> A company called TrueMail is suing the above 3 companies claiming DKIM is an 
> infringement of 3 patents they own. 
>
> Docs are up:  
>
> https://www.courtlistener.com/docket/6173128/truemail-technologies-llc-v-getresponse-inc/
> https://www.courtlistener.com/docket/6178679/truemail-technologies-llc-v-hubspot-inc/
> https://www.courtlistener.com/docket/6173696/truemail-technologies-llc-v-sendgrid-inc/
>
> I’ve only taken the briefest look through one of the complaints. Here’re the 
> relevant bits: 
>
> The Asserted Patents share a common specification. 
>
> 21. The ’126 patent claims, among other inventions, a method for identifying 
> unwanted email messages, by which the sender is assigned a unique, private, 
> digital signature. The sender, in turn, agrees to conform to a set of rules 
> of conduct, and the recipients receive the email with a public digital 
> signature, which allows them to verify the identity of the sender. This 
> method allows for the monitoring of the number of substantially identical 
> emails being sent to different recipients, and allows for distinguishing a 
> given email message from unsolicited and unwanted email messages. See ’126 
> patent, 7:6-48 
>
> 22. The ’126 patent specification describes an email system in which a sender 
> is limited in transmitting identical emails to a predetermined number of 
> recipients over a specified period of time. The sender, who is identified by 
> its unique digital signature, also manifests a promise to not solicit 
> business or contain unsolicited advertising. The unique digital signature 
> provides a method to distinguish unsolicited email messages from ones in 
> which the sender has promised that the recipient has made a prior request or 
> granted permission to receive said email. This promise is legally binding and 
> traceable to the sender by its unique digital signature. See ’126 patent, 
> 7:6-67 & 8:11-64.
>
> 23. The ’655 patent claims, among other inventions, a method for identifying 
> unwanted email messages, by which the sender is assigned a unique, private, 
> digital signature. The sender, in turn, agrees to conform to a set of rules 
> of conduct, and the recipients receive the email with a public digital 
> signature, which allows them to verify the identity of the sender. This 
> method allows for the monitoring of the number of substantially identical 
> emails being sent to different recipients, and allows for distinguishing a 
> given email message from unsolicited and unwanted email messages. See ’655 
> patent, 7:11-45. 
>
> 24. The ’655 patent specification describes an email system in which a sender 
> is limited in transmitting identical emails to a predetermined number of 
> recipients over a specified period of time. The sender, who is identified by 
> its unique digital signature, also manifests a promise to not solicit 
> business or contain unsolicited advertising. The sender also promises that no 
> further email messages will be sent to the recipients upon receipt of a 
> cancellation request by the recipients. The unique digital signature provides 
> a method to distinguish unsolicited email messages from ones in which the 
> sender has promised that the recipient has made a prior request or granted 
> permission to receive said email. This promise is legally binding and 
> traceable to the send by its unique digital signature. See ’655 patent, 
> 7:46-67 & 8:1-9:31. 
>
> 25. The ’084 patent claims, among other inventions, a method for identifying 
> unwanted email messages, by which the sender is assigned a unique, private, 
> digital signature. The sender, in turn, agrees to conform to a set of rules 
> of conduct, and the recipients receive the email with a public digital 
> signature, which allows them to verify the identity of the sender. This 
> method allows for the monitoring of the number of substantially identical 
> emails being sent to different recipients, and allows for distinguishing a 
> given email message from unsolicited and unwanted email messages. See ’084 
> patent, 7:17-8:9.
>
> 26. The ’084 patent specification describes an email system in which a sender 
> is limited in transmitting identical emails to a predetermined number of 
> recipients over a specified period of time. The sender, who is identified by 
> its unique digital signature, also manifests a promise to not solicit 
> business or contain unsolicited advertising. The unique digital signature 
> provides a method to distinguish unsolicited email messages from ones in 
> which the sender has promised that the recipient has made a prior request or 
> granted permission to receive said email. This promise is legally binding and 
> traceable to the send by its unique digital signature. See ’084 patent, 
> 8:10-56.
>
> laura 
>
> -- 
> Having an Email Crisis?  We can help! 800 823-9674 
>
> Laura Atkins
> Word to the Wise
> laura(_at_)wordtothewise(_dot_)com
> (650) 437-0741                
>
> Email Delivery Blog: https://wordtothewise.com/blog   

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